Home / 13,055.60-19,567.78-7,511.56

Finding the Fourth Proportional to 13,055.60, 19,567.78 and 7,511.56

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Solution

The fourth proportional to 13,055.60, 19,567.78 and 7,511.56 is: 11,258.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055.60 : 19,567.78 = 7,511.56 : x
  2. Step 2: Convert to fraction form
    13,055.60/19,567.78 = 7,511.56/x
  3. Step 3: Cross multiply
    13,055.60x = 19,567.78 × 7,511.56
  4. Step 4: Simplify right side
    13,055.60x = 146,984,553.54
  5. Step 5: Solve for x
    x = 146,984,553.54/13,055.60
  6. Step 6: Final answer
    x = 11,258.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.